The other boat has three batteries - 1 for the house and 1 for each engine.
Starboard start battery has a BEP VSR connecting to the house battery.
I didn't install the VSR and I can't tell what model it is, except it's not labeled as one of the newer DVSs and it doesn't say it's dual sensing.
Now I've hooked up a solar panel via a regulator to the house battery. Just checked the house batt and it's at 13.7 v. The solar regulator indicates its giving float charge. The VSR light is on indicaing it's operating, and the start battery is also showing 13.7 v. The other start battery is d